mostly fixed pathing issues, fixed bug with assign_layers, cleaned up screen printing, added comments to MAIN, add a few things to XML input, added new (faster) shapefile writer using fiona and shapely
Update README.md
pathing issues should be all fixed. Also removed hardcoding of node number attribute name in grid shapefile (the name can be specified in the XML input file
Merge branch 'master' of https://github.com/aleaf/SFR
Update README.md